{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Grube's Method of Teaching Arithmetic: Explained and Illustrated, Also the Improvements Upon the Method Made by the Followers of Grube in Germany","author_name":"Levi Seeley, August Wilhelm Grube","thumbnail_url":"https://www.ebooknetworking.net/books/114/384/big114384274X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-114384274X.html\">Grube&#039;s Method of Teaching Arithmetic: Explained and Illustrated, Also the Improvements Upon the Method Made by the Followers of Grube in Germany</a>","width":400,"height":300}